52021471740 has 192 divisors, whose sum is σ = 169639142400. Its totient is φ = 11665004544.

The previous prime is 52021471699. The next prime is 52021471813. The reversal of 52021471740 is 4717412025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13800576 + ... + 13804344.

It is an arithmetic number, because the mean of its divisors is an integer number (883537200).

Almost surely, 2^52021471740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52021471740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84819571200).

52021471740 is an abundant number, since it is smaller than the sum of its proper divisors (117617670660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52021471740 is a wasteful number, since it uses less digits than its factorization.

52021471740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404 (or 4402 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 52021471740 its reverse (4717412025), we get a palindrome (56738883765).

The spelling of 52021471740 in words is "fifty-two billion, twenty-one million, four hundred seventy-one thousand, seven hundred forty".